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Discover LudwigSuggestions(5)
The phrase "activity is defined as" is correct and usable in written English.
It can be used when explaining or clarifying the meaning of a specific activity in a formal or academic context.
Example: "In this study, activity is defined as any behavior that involves physical movement or engagement."
Alternatives: "activity refers to" or "activity is described as".
Exact(60)
Normal day-to-day activity is defined as something you do regularly in a typical day, for example – using a computer or working set times.
In this work, the relative activity is defined as follows.
Leisure activity is defined as personal pursuits without economic utility, such as fishing and sex.
Specific activity is defined as the number of units per milligram of protein.
NQO1 activity is defined as the dicumarol-inhibitable reduction of 2,6-dichlorophenolindophenol measured at 600 nm at 30°C.
Enzyme activity is defined as the enzyme quantity needed to degrade 1 μmol of substrate per minute.
Specific activity is defined as μmol of oleic acid liberated per minute of reaction and mg of PP.
In the world of science, this sort of experience, of meditation or any other activity, is defined as subjective.
Specific activity is defined as the number of units per mg of enzyme.
One unit of hydrogenase specific activity is defined as 1 µmole of H2 evolved min−1 min−1
One unit of SOD activity is defined as the amount of SOD able to reduce the luminescence intensity by 50%.
More suggestions(19)
occupation is defined as
outreach is defined as
organization is defined as
activity is determined as
production is defined as
activity is described as
implementation is defined as
activity is identified as
assistance is defined as
support is defined as
interest is defined as
engagement is defined as
employment is defined as
service is defined as
business is defined as
operations is defined as
activity is recognized as
activity is shown as
activity is represented as
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com